Alastair Sim

Professor Ernst Kronak

Fred Emney

Sir George Denberry-Baxter

Edward Rigby

Timmy Tiverton

Oliver Wakefield

Sir Reginald Foxfield

Patricia Roc

Hope Ollerton

Annie Esmond

Lady Foxfield

Marian Spencer

Lady Shepshod

Olive Sloane

Daisy Barley

Maire O'Neill

Mrs. Mitterley

Gus McNaughton

Ketley

Charles Hawtrey

Young Orton

Peter Gawthorne

Major Shiptonthorpe

Aubrey Mallalieu

Commander Spofforth

G.H. Mulcaster

Inspector

Wally Patch

Sam

John Baxter